Untitled

add_action('woocommerce_checkout_order_processed', 'marketking_set_order_status_parent', 100000, 3); 
function marketking_set_order_status_parent($order_id, $posted_data = array(), $order = array()){

	$orderobj = wc_get_order($order_id);
	$statuses_set = $orderobj->get_meta('marketking_order_statuses_set');

	if ($statuses_set !== 'yes'){
		if (marketking()->is_multivendor_order($order_id)){
			$order = wc_get_order($order_id);
			$pre_status = $order->get_status();

			$suborders = marketking()->get_suborders_of_order($order_id);

			foreach ($suborders as $suborder){
				$suborder->set_status( $pre_status );
				$suborder->save();
			}

			// for main order, set the status to composite
			$order->update_status('wc-composite');
			$order->update_meta_data('marketking_composite','yes');
			$order->save();
		}
		$orderobj->update_meta_data('marketking_order_statuses_set','yes');
		$orderobj->save();
	}
}